MotherboardsASRock
ASRock B850M-X DDR5 PCIe 4.0 microATX Motherboard
MPN: 90-MXBR10-A0UAYZ
Key specifications
SocketAM5
Form factormATX
ChipsetAMD B850
Memory typeDDR5
M.2 slots3
Max Memory128 GB
Full Specifications31 fields
Additional Information
Model Number
90-MXBR10-A0UAYZ
Gtin
4711581490109
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
244 x 226 mm
Note
-
Core Specifications
Edition
B850M-X
Form Factor
MicroATX
Socket
AM5
Chipset
AMD B850
External Connectivity
Network Interface Type
802.11ax Wi-Fi 6E LAN
Wired 2.5 Gigabit LAN
Network Chip Modules
1 x 802.11ax WiFi 6E + BT5.2
1 x Realtek RTL8125BG
Rear I O Connectors
1 x BIOS Flashback Button
1 x DisplayPort 1.4
1 x Front Speaker Out
1 x HDMI 2.1
1 x Line In
1 x Mic-In
1 x RJ-45
2 x USB 2.0
3 x USB 3.2 Gen1 Type-A
1 x USB 3.2 Gen1 Type-C
Graphics Support
Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
Discrete GPU Required for Graphics Output
On Board Graphics Connectors
DisplayPort 1.4 (DSC)
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2 Key E (Supports Wi-Fi modules)
1 x M.2, 22-60/80, PCIe Gen4x4
1 x M.2, 22-80, PCIe Gen5x4
1 x PCIe 4.0 x1
1 x PCIe 4.0 x16
1 x PCIe 4.0 x16 (x4 Bandwidth)
4 x SATA 6GB/s
Sata Support
SATA3
Raid Support Via
SATA3 / M.2
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
1 x 4-pin (Power)
3 x 4-pin CHA_FAN connector
1 x 4-pin Water Pump Connector
1 x 8-pin (Power)
3 x Addressable Digital RGB Header
2 x CPU Fan Connector
1 x Front Panel Audio Header
1 x Power LED / Speaker Header
1 x RGB Header
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.2 Gen1 Header
1 x USB 3.2 Gen1 Type-C Front Panel Header
RAM Memory Support
Memory Type
DDR5
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR5 - 8200(OC)
Max Memory Capacity
128 GB
General
Audio
7.1 Channel HD Audio
Best indexed price
£189.13GBP
Indexed 25 May 2026 — verify at retailer
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